Home / 5,411.02-7,465.20-3,998.11

Finding the Fourth Proportional to 5,411.02, 7,465.20 and 3,998.11

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Solution

The fourth proportional to 5,411.02, 7,465.20 and 3,998.11 is: 5,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.02 : 7,465.20 = 3,998.11 : x
  2. Step 2: Convert to fraction form
    5,411.02/7,465.20 = 3,998.11/x
  3. Step 3: Cross multiply
    5,411.02x = 7,465.20 × 3,998.11
  4. Step 4: Simplify right side
    5,411.02x = 29,846,690.77
  5. Step 5: Solve for x
    x = 29,846,690.77/5,411.02
  6. Step 6: Final answer
    x = 5,515.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.